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Round|Natural|HRD

1.00ct F I1 Round Natural Diamond

EX • F/I1 • HRD 260000139153

Certificate HRD 260000139153

Diamond specifications and retailer prices

From $1,500 SGD
$1,173 USD
As of October 26, 2026
7 retailers carry this diamond
Most expensive: $3,765 SGD at NZ Jewellers · As of October 9, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded F colour (colourless) and I1 clarity (included), with a top-tier cut grade and certified by HRD 260000139153. Listed at 7 retailers as of October 26, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
F
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.8°
OriginNatural
Grading LabHRD
CertificateHRD 260000139153
Dimensions6.38 × 6.36 × 3.99 mm
L/W Ratio1.00
Top View
6.38 mm6.36 mm1.00 ctF / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateHRD 260000139153
Side View
Table 56.0%Crown 36.4°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 26
Current: $1,500 SGD|Low: $1,174 SGD|High: $2,201 SGD|Avg: $1,527 SGD|-2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 25, 2026
Retailer 3$1,176 SGD
Retailer 4$1,332 SGD
Retailer 5$1,425 SGD
Retailer 1$1,500 SGD
Retailer 2$2,150 SGD

26 data points across 5 retailers

7 retailers

Retailer 1
-
$1,176 SGD
₹87,645 INR
Price last confirmed 7 days ago
Retailer 2
-
$1,332 SGD
$1,042 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$1,500 SGD
$1,173 USD
View
Retailer 4
-
$1,544 SGD
$1,208 USD
View
Price last confirmed 24 days ago
Retailer 5
-
$1,544 SGD
$1,208 USD
View
Price last confirmed 25 days ago
Retailer 6
-
$2,150 SGD
€1,602 EUR
View
Price last confirmed 7 days ago
Most Expensive
NZ Jewellers
ec1c159a-4ef3-41f9-9efd-fd6cc2127e14 · Oct 9
$3,765 SGD
$2,945 USD
View
Price last confirmed 24 days ago
6 more retailers have this diamond
Prices start from $1,500 SGD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.00ct Round
$1,500 SGD